Search a number
-
+
53224031551 = 411298147111
BaseRepresentation
bin110001100100011001…
…100100010100111111
312002101021101221110211
4301210121210110333
51333000323002201
640241211413251
73562640542435
oct614431442477
9162337357424
1053224031551
112063263a739
12a394754227
1350329a39c2
14280c9b2d55
1515b793d651
hexc6466453f

53224031551 has 4 divisors (see below), whose sum is σ = 54522178704. Its totient is φ = 51925884400.

The previous prime is 53224031519. The next prime is 53224031569. The reversal of 53224031551 is 15513042235.

53224031551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53224031551 - 25 = 53224031519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53224031591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 649073515 + ... + 649073596.

It is an arithmetic number, because the mean of its divisors is an integer number (13630544676).

Almost surely, 253224031551 is an apocalyptic number.

53224031551 is a deficient number, since it is larger than the sum of its proper divisors (1298147153).

53224031551 is a wasteful number, since it uses less digits than its factorization.

53224031551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298147152.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 53224031551 its reverse (15513042235), we get a palindrome (68737073786).

The spelling of 53224031551 in words is "fifty-three billion, two hundred twenty-four million, thirty-one thousand, five hundred fifty-one".

Divisors: 1 41 1298147111 53224031551